areal coordinate 面积坐标，重心坐标 barycentric coordinate 重心坐标†
计算机应用 计算机辅助设计与图形学 释文 barycentric coordinate 重心坐标
- M. Chasles (1793—1880)
- MChD
- M.C.H.M
- MCI
- MCIC
- McIntosh classification
- McIntosh scheme
- Mcissner
- McKellar crater
- McKinley Tariff
- McKinsey & Company
- MCL
- M-class asteroid
- McLaughlin crater
- McLeod vacuum gauge
- m-closed subset
- McLuhan's "Global Village"
- MCM
- McMahon Act
- McMahon Line
- McMath crater
- McMath Hulbert Observatory
- McMath-Pierce Solar Telescope
- McMath-Pierce Telescope
- McMath Telescope